... But Down Syndrome is an extra chromosome 21.
You want Klinefelter syndrome.
(
Pie of Meat ___°¬¯O¯____\o/_____/\_,____Y¯¯Y,
Sun 16 Jun 2013, 1:35,
archived)
I want Klinefelter syndrome
(
PedroHin Come along & ride on a Flantastic Voyage,
Sun 16 Jun 2013, 13:57,
archived)